123325-83-7 1540-28-9 AI3-06005 EINECS 216-269-4 Ethyl 2-acetylpentanoate Ethyl 2-acetylvalerate Ethyl 2-propylacetoacetate Ethyl alpha-propylacetoacetate NSC 6764 NSC 67958 Pentanoic acid, 2-acetyl-, ethyl ester Valeric acid, 2-acetyl-, ethyl ester n-Amyl acetoacetate